Operating system courses can help you learn process management, memory allocation, file systems, and user interfaces. You can build skills in troubleshooting system errors, optimizing performance, and implementing security protocols. Many courses introduce tools like Linux, Windows, and virtualization software, illustrating how these skills are applied in real-world environments.

Duke University
Skills you'll gain: Strategic Decision-Making, Dealing With Ambiguity, Performance Metric, Decisiveness, Performance Analysis, Performance Measurement, Adaptability, Customer Demand Planning, Decision Making, Dashboard, Strategic Thinking, Data-Driven Decision-Making, Market Opportunities, Data Strategy, Business Analytics, Data Science, Data Analysis, Operational Efficiency, Risk Management, Change Management
Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: Databases, Relational Databases, Project Schedules, Database Software, Calendar Management, Customer Relationship Management (CRM) Software, Project Management, Content Management Systems, Internal Communications, Project Documentation, Document Management, Process Improvement and Optimization, User Accounts
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: API Testing, Test Automation, Test Script Development, Test Tools, Application Programming Interface (API), Restful API, Software Testing, Code Reusability, Configuration Management, Java Programming, Maintainability
Intermediate · Guided Project · Less Than 2 Hours

University of Colorado System
Skills you'll gain: Epidemiology, Biostatistics, Statistical Analysis, Medical Science and Research, Data Quality, Statistical Modeling, Analysis, Probability & Statistics, Molecular Biology, Statistical Methods, Regression Analysis, Data Validation, Data Cleansing
Intermediate · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Star Schema, Data Analysis Expressions (DAX), Power BI, Data Modeling, Model Optimization, Performance Tuning, Business Intelligence, Data Analysis
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Assertiveness, Empowerment, Oral Expression, Professional Development, Workplace Bullying Intervention, Verbal Communication Skills, Communication, Tactfulness, Communication Strategies, Leadership, Leadership Development, De-escalation Techniques, Rapport Building, Conflict Management, Empathy, Composure, Behavioral Management
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Financial Statement Analysis, Financial Statements, Operations Management, Financial Analysis, Selling Techniques, Operations, Supply Chain, Business Operations, Operational Efficiency, Sales, Balance Sheet, Sales Process, Business Management, Logistics Management, Marketing, Advertising, Marketing Strategies, Process Design, Business Economics, Lean Methodologies
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Visualization, Data-Driven Decision-Making, Data Visualization Software, Interactive Data Visualization, Business Intelligence, Business Intelligence Software, Data Storytelling, Data Presentation, Storytelling
Beginner · Course · 1 - 4 Weeks

Amazon Web Services
Skills you'll gain: Network Routing, Routing Protocols, Network Troubleshooting, Virtual Networking, Network Performance Management, Network Monitoring, General Networking, Amazon Web Services, Network Planning And Design, Wide Area Networks, Network Architecture, Capacity Management, Performance Tuning
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Professionalism, Courage, Personal Integrity, Culture Transformation, Professional Development, Leadership, Culture
Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Postman API Platform, Restful API, Authentications, Application Programming Interface (API), Scripting, JSON, Extensible Languages and XML, IT Automation, Extensible Markup Language (XML), API Testing, Network Protocols, YAML, Network Monitoring, Automation, Network Engineering, Scripting Languages, Python Programming, Real Time Data
Intermediate · Course · 1 - 4 Weeks

Edureka
Skills you'll gain: Rust (Programming Language), Memory Management, Application Programming Interface (API), Server Side, Code Reusability, Back-End Web Development, System Programming, Web Frameworks, Web Development, Web Servers, Software Documentation, Scalability, Integrated Development Environments, Data Analysis, Maintainability, Network Protocols, Application Development, Authentications
Intermediate · Specialization · 1 - 3 Months